Economy class seating unit



FIG. 1 is a front perspective view showing our new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in FIG. 7 are for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for an economy class seating unit, as shown and described. 